The Realistic Theory for Scientific Research is a contemplative, unambiguous theory for experienced researchers looking for alternative tools and analysis of things of nature, their ways in our times. This book will offer new insights into an innovative methodology for both social and natural sciences. It is exhaustive and comprehensive going deep to unravel the unknown. Scientific research currently is largely based on a mechanistic statistical modelling. The realistic theory of scientific research, goes beyond mere empiricism and interpretative theories. It is setting a new phase in the theory of knowledge.